Some properties of hibernate's set mapping

1. Set Mapping Collection Properties ​ attribute Explain Default value name Name of mapping class property access Hibernate's policy to access this property defaults to property table Associated Target Database Table chema schema name of the target database table catalog The catalog name of the targ ...

Added by Jnerocorp on Tue, 11 Jun 2019 20:43:24 +0300

Hibernate Cache Mechanism

Hibernate Cache Mechanism I. Role Hibernate is a persistent layer framework that frequently accesses physical databases to improve application performance by reducing the frequency of access to physical data sources.The data in the cache is a copy of the data from the physical data source, the application reads and writes data from the cac ...

Added by dreamlove on Tue, 11 Jun 2019 19:26:30 +0300

Hibernate table Association configuration

One-on-one One-to-one primary key Association 1.XML configuration Must be bi-directional The primary key generation strategy of the associated party is a foreign key generation strategy The associated party one-to-one needs to set constrained= "true" constraint <?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE hibernate-ma ...

Added by GimbaL on Sat, 01 Jun 2019 01:55:49 +0300

spring data jpa use (1)

spring data jpa A subproject of Spring. Used to simplify database access, support NoSQL and relational data storage. Its main goal is to make database access convenient and fast. Dedicated to reducing the amount of data access layer (DAO) development. The only thing developers need to do is declare the persistence layer interface, and the re ...

Added by kristy7 on Wed, 29 May 2019 22:38:51 +0300

A Brief Introduction to Hibernate and Examples of Getting Started

A Brief Introduction to Hibernate   In summary, Hibernate is a lightweight persistence framework for ORM that addresses the mismatch between tables in object and relational databases (impedance mismatch) and the advantage that development code does not inherit hibernate classes or interfaces (non-intrusive).The implementation of the Hibernate ...

Added by tony.j.jackson@o2.co.uk on Thu, 23 May 2019 19:42:20 +0300

One-to-one Joint Key Linkages in Hibernate Learning Notes 7

One-to-one Joint Key Linkages in Hibernate Learning Notes 7 We explained one-to-one foreign key Association and one-to-one primary key Association earlier. This blog article introduces joint primary key association. First of all, review the main keys, you can refer to the previous blog article: http://blog.csdn.net/u010412719/article/de ...

Added by red-x on Wed, 22 May 2019 03:03:15 +0300

Detailed Explanation of Session's update Method in Hibernate Learning Notes V

Detailed Explanation of Session's update Method in Hibernate Learning Notes V In the previous study, we used Session's save method to transform objects from tansient state to persistent state. Now let's learn Session's update method. In the hibernate api document, the Session interface provides two overloaded update methods, which are a ...

Added by varun8211 on Wed, 22 May 2019 01:50:56 +0300

SpringBoot Unofficial Tutorial | Part 4: SpringBoot Integration JPA

For reprinting, please indicate the source:http://blog.csdn.net/forezp/article/details/70545038  This article is from Fang Zhipeng's blog The full name of JPA is Java Persistence API.JPA describes the mapping relationship of object-relational tables through JDK 5.0 annotations or XML, and persists the runtime entity objects to the database. ...

Added by Chef-Mars on Sun, 19 May 2019 12:17:31 +0300

Maven 02 - Review, Integrate ssh Framework, Modular Development, Private Service

1 Review 1.1 Benefits of Maven Save space and manage jar packages in a unified way One button construction Cross platform Application in large-scale projects can improve development efficiency   1.2 Maven Installation Deployment Configuration   1.3 Maven's warehouse Local warehouse Remote Warehouse (Private Service) Central repository   1.4 ...

Added by nick5449 on Sun, 19 May 2019 10:45:26 +0300

Using AJAX asynchronous loading to verify the existence of user names

Preface Asynchronous loading of AJAX has always been a platitudinal topic. When it comes to AJAX, the most important thing to think about is its asynchronous loading. Recently, the editor let the asynchronous loading of AJAX play a role in the project. Let's see how it demonstrates its ability. Narration Asynchronous loading of AJAX: A techn ...

Added by blues on Fri, 17 May 2019 12:15:58 +0300